CN113275995A

CN113275995A - PC embedded part surface finish machining machine and method

Info

Publication number: CN113275995A
Application number: CN202110643401.9A
Authority: CN
Inventors: 李配金
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-08-20

Abstract

The invention relates to a PC embedded part surface finish machining machine and a processing method, which comprises a clip table, a fixing plate, a supporting plate, fixing holes, a fixing mechanism and a polishing mechanism, wherein the fixing plate is arranged on the upper end surface of the clip table close to the rear end, the supporting plate is symmetrically arranged on the left and right of the front end surface of the fixing plate, the fixing holes are formed in the fixing plate and are arranged in a matrix manner, the fixing mechanisms are arranged in the fixing holes, and the polishing mechanism is arranged between the supporting plates. The phenomenon of uneven polishing of the surface of the U-shaped frame is avoided.

Description

PC embedded part surface finish machining machine and method

Technical Field

The invention relates to the technical field of surface finish machining of PC embedded parts, in particular to a surface finish machining machine and a surface finish machining method for the PC embedded parts.

Background

PC is the component that is applied to fields such as building, traffic, water conservancy, and the PC built-in fitting refers to the component of preinstallation (burying) in hidden engineering, is exactly the structure accessory of settling when the structure is pour for overlap joint when building superstructure is used for the installation of building superstructure to do benefit to the outside engineering equipment basis fixed, the built-in fitting is made by the metal mostly, for example: the U-shaped frame, the steel bar or the cast iron can also be made of non-metal rigid materials such as wood, plastics and the like, and the produced PC embedded part needs to be cleaned of oxidation (rust) on the surface of the PC embedded part before installation, so that the PC embedded part is convenient to install and fix.

However, the following problems may be encountered during the PC embedment surface finishing process:

1. in the polishing process of a U-shaped frame in a PC embedded part, the corners are bent and are not easy to polish, so that the U-shaped frame is difficult to polish comprehensively during polishing, and the surface of the U-shaped frame is polished unevenly;

2. the traditional PC embedded part is ground by a single U-shaped frame, so that the grinding efficiency of the U-shaped frame is low.

Disclosure of Invention

Technical scheme (I)

In order to make up the defects of the prior art, the invention provides a PC embedded part surface finishing machine and a processing method.

The technical scheme adopted by the invention to solve the technical problem is as follows: a surface finish machining machine for a PC embedded part comprises a clip table, a fixing plate, supporting plates, fixing holes, a fixing mechanism and a polishing mechanism, wherein the fixing plate is installed on the upper end surface of the clip table close to the rear end, the supporting plates are symmetrically installed on the left and right of the front end surface of the fixing plate, the fixing holes are formed in the fixing plate and are arranged in a matrix manner, the fixing mechanism is arranged in the fixing holes, and the polishing mechanism is arranged between the supporting plates;

the polishing mechanism comprises rotating shafts, chain wheels, chains, adjusting plates, opening and closing groups, connecting plates, clamping rings, polishing groups, cleaning groups, gears, stepped through grooves, T-shaped plates, racks, electric telescopic rods and driving plates, wherein the supporting plates are connected with the rotating shafts through rotation, the four rotating shafts are arranged in a matrix manner, the chain wheels are symmetrically sleeved on the left and right sides of the rotating shafts, the chain wheels on the left and right sides of the rotating shafts are respectively connected through chain transmission, the adjusting plates are arranged on the chains through angle plates, the adjusting plates are arranged at equal intervals from front to back along the chains between the front and rear chain wheels on the upper side, the opening and closing groups are arranged between the adjusting plates, the connecting plates are symmetrically arranged between the left and right adjusting plates, the clamping rings are arranged at equal intervals from left to right between the two connecting plates, the polishing groups and the cleaning groups are respectively arranged in the front and rear clamping rings, the polishing groups and the cleaning groups are arranged in a staggered manner from front to rear, the cover is equipped with the gear behind the one end of one of them axis of rotation runs through the backup pad, and the up end of backup pad is equipped with the ladder and leads to the groove, and the ladder leads to inslot sliding connection has the T template, install on the T template with the driven rack of gear engagement, has electric telescopic handle through the rack-mount in the backup pad, electric telescopic handle's carriage release lever end is connected through the lower extreme of driving plate with the T template, and a plurality of U type framves are polished simultaneously to save the time of polishing, improve the efficiency of polishing.

Wherein, the fixing mechanism comprises a return groove, a clamping groove, an arc-shaped clamping plate, a pushing rod, lower pressing plates, a rotating shaft, a diamond-shaped plate, a pulling rod, a belt, a driving disc, a moving groove, a limiting block, an L-shaped plate, a sliding groove and Contraband-shaped plates, the fixing plate is provided with the return groove in up-down symmetry, each transverse fixing hole is a group, the upper and lower groups of fixing holes are respectively positioned on the inner ring surfaces of the upper and lower return grooves, the inner wall of each fixing hole is provided with the clamping groove communicated with the return groove in up-down symmetry, the arc-shaped clamping plate is connected in the clamping groove in a sliding way, the pushing rod is arranged on the end surface of the arc-shaped clamping plate far away from the fixing holes, the transverse pushing rods are connected through the lower pressing plates, the rotating shaft is rotatably connected at two ends of the return grooves, the diamond-shaped plate is sleeved on the rotating shaft, the two acute angle ends of the diamond-shaped plate are respectively hinged with the upper and lower pressing plates, the rear ends of the rotating shaft penetrate through the fixing plate and are connected through belt transmission, be provided with in one of them pivot and drive the dish, drive and install the L template on the dish, the spout has been seted up to the rear end face symmetry of fixed plate, common sliding connection has Contraband templates between the spout, the vertical section of Contraband template is located the horizontal segment of L template, the Contraband template is spacing to the horizontal segment of L template, avoid driving the dish and rotate after the chucking is fixed again, lead to the unable fixed phenomenon of realization of arc cardboard.

Wherein, the group of polishing include semicircle ring, a supporting spring pole, annular plate and polishing piece, the snap ring constitute by two semicircle rings, an annular plate is all installed through a supporting spring pole to the interior anchor ring of two semicircle rings, the polishing piece is installed to the interior anchor ring of annular plate, a supporting spring pole supports the polishing piece for the polishing piece is laminated with the surface of U type frame all the time at the in-process that removes and polish, thereby carries out effectual rust cleaning with U type frame surface.

Wherein, clearance group include No. two support spring rods, No. two annular plates and brushes, the semicircle intra-annular install No. two annular plates through No. two support spring rods, the brush is installed to the interior anchor ring of No. two annular plates, crisscross the arranging around brush and the piece of polishing, the brush is located U type frame all the time under the effect of No. two support spring rods and No. two annular plates on the surface to the piece that will polish the piece is polished is cleared up, avoids the piece to remain the influence effect of polishing.

Wherein, the group of opening and shutting include sliding tray, reset spring pole and electro-magnet, control the opposite face of regulating plate all seted up the sliding tray, sliding connection between the both ends of two upper and lower connecting plates and the sliding tray, the both ends of two upper and lower connecting plates are connected through reset spring pole, the terminal surface and the sliding tray that reset spring pole was kept away from at the both ends of connecting plate all install magnetism repellent's electro-magnet, close two semicircle rings with the snap ring for the polishing piece all laminates with the surface of U type frame with the brush, the opening and shutting of snap ring is convenient for putting into of U type frame and is fixed.

Wherein, the opposite face of backup pad all seted up U type recess, the arc spout has been seted up to the symmetry in the U type recess, install spacing post on the regulating plate, the mounting groove has been seted up to the both sides of spacing post, install spacing pearl in the mounting groove, sliding connection between spacing pearl and the arc spout, spacing pearl also carries on spacingly with the regulating plate when carrying on spacing with spacing post on the regulating plate, make the removal track of regulating plate the same with the removal track of snap ring on U type frame, it is skew at the removal in-process to avoid the regulating plate, cause the in-process card dead phenomenon of snap ring removal on U type frame.

The limiting column is provided with an arc-shaped groove, a ball is mounted in the arc-shaped groove, the ball is connected with the U-shaped groove in a sliding mode, and the ball reduces friction force between the limiting column and the U-shaped groove.

The square-shaped table is composed of a square-shaped plate and supporting legs, a collecting box is arranged under the square-shaped plate of the square-shaped table, and the collecting box collects the scraps cleaned by the brushes.

In addition, the invention also provides a surface finishing treatment method of the PC embedded part, which comprises the following steps:

s1, fixing: placing the two ends of the U-shaped frame into the fixing holes, then pushing the arc-shaped clamping plate through the pushing rod to clamp and fix the two ends of the U-shaped frame, and simultaneously moving the Contraband template downwards to enable the Contraband template to limit the horizontal section of the L-shaped template;

s2, grinding: the clamping ring is supported and polished through the first supporting spring rod in the moving process, so that the polishing sheet is always attached to the surface of the U-shaped frame in the moving and polishing process, and the surface of the U-shaped frame is effectively derusted;

s3, cleaning: the brush is always positioned on the surface of the U-shaped frame under the action of the second supporting spring rod and the second annular plate, so that the chips polished by the polishing sheet are cleaned, and the polishing effect is prevented from being influenced by the residual chips;

s4, taking out: the collection box collects the scraps cleaned by the brush, and the U-shaped frame is taken out from the fixing hole after being polished.

(II) advantageous effects

1. According to the PC embedded part surface finish machining machine and the PC embedded part surface finish machining method, the fixing mechanism and the polishing mechanism can polish a plurality of U-shaped frames simultaneously, so that polishing time is saved, polishing efficiency of the U-shaped frames is improved, the clamping ring in the polishing mechanism drives the polishing group and the cleaning group to move for a circle along the U-shaped frames, all the U-shaped frames are polished and cleaned, the polishing group is attached to the U-shaped frames in the moving process, the U-shaped frames are polished comprehensively, and the phenomenon that the surfaces of the U-shaped frames are polished unevenly is avoided;

2. according to the invention, the first supporting spring rod pushes the first annular plate to drive the polishing sheet to attach to the surface of the U-shaped frame, so that the polishing sheet is always attached to the surface of the U-shaped frame in the moving and polishing process, and the surface of the U-shaped frame is effectively derusted;

3. the lower pressing plate moves to push the arc-shaped clamping plate to clamp and fix two ends of the U-shaped frame through the pushing rod, and the plurality of U-shaped frames are simultaneously clamped and fixed, so that the polishing group can polish the plurality of U-shaped frames simultaneously, and the polishing efficiency of the U-shaped frames is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic main perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic diagram of the construction of the sanding group of the present invention;

FIG. 4 is a schematic diagram of the cleaning group of the present invention;

FIG. 5 is a front cross-sectional view of the securing mechanism of the present invention;

FIG. 6 is a right side elevation view of the present invention;

FIG. 7 is an enlarged view of a portion of the invention at B of FIG. 6;

FIG. 8 is a rear view of the securing mechanism of the present invention;

fig. 9 is a partial cross-sectional view of the opening and closing group of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 9, a PC embedded part surface finish machining machine comprises a clip table 1, a fixing plate 2, support plates 3, fixing holes 4, a fixing mechanism 5 and a grinding mechanism 6, wherein the fixing plate 2 is installed on the upper end surface of the clip table 1 near the rear end, the support plates 3 are installed on the front end surface of the fixing plate 2 in a bilateral symmetry manner, the fixing holes 4 are formed in the fixing plate 2, the fixing holes 4 are arranged in a matrix manner, the fixing mechanism 5 is arranged in the fixing holes 4, and the grinding mechanism 6 is arranged between the support plates 3;

the fixing mechanism 5 comprises a circular groove 50, a clamping groove 51, an arc-shaped clamping plate 52, a pushing rod 53, a lower pressing plate 54, a rotating shaft 55, a diamond-shaped plate 56, a pulling rod 57, a belt 58, a driving disc 59, a moving groove 5a, a limiting groove 5b, a limiting block 5c, an L-shaped plate 5d, a sliding groove 5e and an Contraband-shaped plate 5f, wherein the fixing plate 2 is provided with the circular groove 50 in an up-and-down symmetrical manner, each transverse fixing hole 4 is a group, the upper and lower groups of fixing holes 4 are respectively positioned on the inner annular surfaces of the upper and lower circular grooves 50, the inner walls of the fixing holes 4 are provided with the clamping grooves 51 communicated with the circular groove 50 in an up-and-down symmetrical manner, the arc-shaped clamping plate 52 is connected in the clamping groove 51 in a sliding manner, the pushing rod 53 is arranged on the end surface of the arc-shaped clamping plate 52 far away from the fixing holes 4, the transverse pushing rods 53 are connected through the lower pressing plate 54, the two ends of the circular groove 50 are respectively connected with the rotating shaft 55 in a rotating manner, the diamond-shaped plate 56 is sleeved on the rotating shaft 55, two acute angle ends of the diamond-shaped plate 56 are respectively hinged with a pulling rod 57 between the upper and lower pressing plates 54, the rear ends of the rotating shafts 55 penetrate through the fixed plate 2 and are in transmission connection through a belt 58, one of the rotating shafts 55 is provided with a driving disc 59, the driving disc 59 is provided with an L-shaped plate 5d, the rear end surface of the fixed plate 2 is symmetrically provided with sliding grooves 5e, Contraband-shaped plates 5f are jointly in sliding connection between the sliding grooves 5e, the vertical section of Contraband-shaped plates 5f is positioned on the horizontal section of the L-shaped plate 5d, when the device works, two ends of the U-shaped frame are placed in the fixed holes 4, then the rotating shafts 55 are driven to rotate anticlockwise through the driving disc 59, the rotating shafts 55 synchronously rotate through the belt 58, so that the rotating shafts 55 drive the diamond-shaped plate 56 to synchronously rotate anticlockwise, the diamond-shaped plate 56 rotates to drive the upper and lower pressing plates 54 to move towards the fixed holes 4 through the pulling rod 57, the lower pressing plates 54 move to push the arc-shaped clamping plates 52 through the pushing rod 53 to clamp and fix two ends of the U-shaped frame, be convenient for polish group 67 and clearance group 68 and polish and clear up the surface of U type frame, drive L template 5d and rotate when driving disk 59 pivoted, when arc cardboard 52 with U type frame chucking, the horizontal segment of L template 5d rotates the below of Contraband template 5f, then move Contraband template 5f downwards, make Contraband template 5f carry on spacingly to the horizontal segment of L template 5d, avoid driving disk 59 to rotate after the chucking is fixed again, lead to the unable fixed phenomenon of realization of arc cardboard 52.

The opening and closing assembly 64 comprises a sliding groove 640, a reset spring rod 641 and an electromagnet 642, the opposite surfaces of the left and right adjusting plates 63 are respectively provided with a sliding groove 640, the two ends of the upper and lower connecting plates 65 are in sliding connection with the sliding groove 640, the two ends of the upper and lower connecting plates 65 are connected through the reset spring rod 641, the end surfaces of the two ends of the connecting plates 65 far away from the reset spring rod 641 and the sliding groove 640 are respectively provided with the electromagnet 642 with repulsive magnetism, when the opening and closing assembly works, the electromagnet 642 is powered off, the connecting plates 65 move towards the two sides under the action of the reset spring rod 641, so that the upper and lower semicircular rings 670 of the snap ring 66 are opened, the two ends of the U-shaped frame are conveniently placed into the fixed holes 4, after the two ends of the U-shaped frame are fixed, the electromagnet 642 is powered on, the reset spring rod 641 e is driven to extrude and move through the repulsive magnetism of the electromagnet 642, so as to close the two semicircular rings 670 of the snap ring 66, so that the polishing sheet 673 and the hairbrush 682 are attached to the surface of the U-shaped frame, and the opening and closing of the snap ring 66 are convenient for the U-shaped frame to be put into and fixed.

The polishing mechanism 6 comprises a rotating shaft 60, chain wheels 61, a chain 62, adjusting plates 63, an opening and closing group 64, connecting plates 65, a clamping ring 66, a polishing group 67, a cleaning group 68, a gear 69, a step through groove 6a, a T-shaped plate 6b, a rack 6c, an electric telescopic rod 6d and a driving plate 6e, wherein the supporting plate 3 is connected with the rotating shaft 60 through rotation, the four rotating shafts 60 are arranged in a matrix manner, the rotating shaft 60 is sleeved with the chain wheels 61 in a bilateral symmetry manner, the chain wheels 61 at the left side and the right side of the rotating shaft 60 are respectively connected through the chain 62 in a transmission manner, the chain 62 is provided with the adjusting plates 63 through angle plates, the adjusting plates 63 are arranged along the chain 62 between the front chain wheel 61 and the rear chain wheel at equal intervals on the upper side, the opening and closing group 64 is arranged between the adjusting plates 63, the connecting plates 65 are arranged in an up-down symmetry manner, the clamping ring 66 is arranged between the two connecting plates 65 at equal intervals from left to right, the front clamping ring 66 and the rear clamping ring 66 are respectively provided with a polishing group 67 and a cleaning group 68, the polishing group 67 and the cleaning group 68 are arranged in a staggered manner from front to back, one end of one rotating shaft 60 penetrates through the supporting plate 3 and then is sleeved with a gear 69, the upper end face of the supporting plate 3 is provided with a step through groove 6a, the step through groove 6a is connected with a T-shaped plate 6b in a sliding manner, the T-shaped plate 6b is provided with a rack 6c in meshing transmission with the gear 69, the supporting plate 3 is provided with an electric telescopic rod 6d through a rack, the moving rod end of the electric telescopic rod 6d is connected with the lower end of the T-shaped plate 6b through a driving plate 6e, during operation, the opening and closing group 64 opens the clamping ring 66, then the U-shaped frame is placed in the fixing hole 4 and is fixed through the fixing mechanism 5, then the opening and closing group 64 is closed, so that the polishing group 67 and the cleaning group 68 are both attached to the surface of the U-shaped frame, then the driving plate 6e is pushed through the electric telescopic rod 6d to move, the driving plate 6e drives the rack 6c to move through the T-shaped plate 6b, the rack 6c drives the rotating shaft 60 to rotate through meshing with the gear 69, the rotating shaft 60 rotates to drive the chain wheels 61 to rotate, the chain wheels 61 are driven through the chain 62 to drive, the chain wheels 61 drive to drive the clamping rings 66 between the connecting plates 65 through the adjusting plates 63 to move, the polishing groups 67 in the clamping rings 66 on the front side firstly polish and remove rust on the U-shaped frames, then the cleaning groups 68 on the rear side of the polishing groups 67 clean polished scraps to avoid accumulation of scraps, the U-shaped frames are simultaneously polished, so that polishing time is saved, polishing efficiency is improved, when the electric telescopic rod 6d extends to the maximum length, the chain 62 drives the clamping rings 66 to move for a circle along the U-shaped frames, all the U-shaped frames are polished and cleaned, and then the electric telescopic rod 6d is retracted, thereby carrying out reciprocating polishing and rust removal on the U-shaped frame.

Polishing group 67 include semicircle ring 670, a supporting spring rod 671, an annular plate 672 and polish piece 673, snap ring 66 constitute by two semicircle rings 670, an annular plate 672 is all installed through a supporting spring rod 671 to the interior anchor ring of two semicircle rings 670, polishing piece 673 is installed to the interior anchor ring of an annular plate 672, in operation, when opening and shutting group 64 closed, two semicircle rings 670 remove to U type frame under the drive of connecting plate 65, thereby make a supporting spring rod 671 promote an annular plate 672 and drive polishing piece 673 and laminate to the surface of U type frame, make polishing piece 673 laminate with the surface of U type frame all the time at the in-process that removes and polishes, thereby carry out effectual rust cleaning with U type frame surface.

Clearance group 68 include No. two supporting spring bars 680, No. two annular plates 681 and brush 682, semicircle ring 670 in install No. two annular plates 681 through No. two supporting spring bars 680, No. two annular plates 681's interior anchor ring installs brush 682, brush 682 and the piece 673 of polishing crisscross the arranging around, the during operation, brush 682 is located the U type frame all the time under No. two supporting spring bars 680 and No. two annular plates 681 on the surface to the piece that will polish 673 clears up, avoids the piece to remain the influence effect of polishing.

The opposite face of backup pad 3 all seted up U type recess 30, arc spout 31 has been seted up to the symmetry in U type recess 30, install spacing post 32 on the regulating plate 63, mounting groove 33 has been seted up to the both sides of spacing post 32, install spacing pearl 34 in the mounting groove 33, sliding connection between spacing pearl 34 and the arc spout 31, in operation, spacing pearl 34 also carries out spacing with regulating plate 63 when carrying out spacing with spacing post 32 on the regulating plate 63, make regulating plate 63's removal track the same with the removal track of snap ring 66 on U type frame, it is skew at the removal in-process to avoid regulating plate 63, cause the in-process card dead phenomenon of snap ring 66 removal on U type frame.

Limiting column 32 on seted up arc recess 320, install ball 321 in the arc recess 320, sliding connection between ball 321 and the U type recess 30, ball 321 reduces the frictional force between limiting column 32 and the U type recess 30.

The clip platform 1 is composed of a clip plate and supporting legs, a collecting box 10 is arranged under the clip plate of the clip platform 1, and the collecting box 10 collects the scraps cleaned by the brush 682.

s1, fixing: two ends of the U-shaped frame are placed in the fixing holes 4, then the rotating shaft 55 is driven to rotate anticlockwise by rotating the driving disc 59, the rotating shaft 55 synchronously rotates through the belt 58, thereby leading the rotating shaft 55 to drive the diamond plate 56 to synchronously rotate anticlockwise, leading the diamond plate 56 to rotate and drive the upper and lower pressing plates 54 to move towards the fixed hole 4 through the pulling rod 57, leading the lower pressing plates 54 to move and push the arc-shaped clamping plate 52 to clamp and fix the two ends of the U-shaped frame through the pushing rod 53, being convenient for the polishing group 67 and the cleaning group 68 to polish and clean the surface of the U-shaped frame, driving the L-shaped plate 5d to rotate while driving the driving disk 59 to rotate, when the U-shaped frame is clamped by the arc-shaped clamping plate 52, the horizontal section of the L-shaped plate 5d rotates to the position below the Contraband-shaped plate 5f, then, the Contraband type plate 5f is moved downwards, so that the Contraband type plate 5f limits the horizontal section of the L-shaped plate 5 d;

s2, grinding: the driving plate 6e is pushed to move through the electric telescopic rod 6d, the driving plate 6e drives the rack 6c to move through the T-shaped plate 6b, the rack 6c drives the rotating shaft 60 to rotate through meshing with the gear 69, the rotating shaft 60 rotates to drive the chain wheel 61 to rotate, the chain 62 drives the chain wheels 61 to drive, the chain wheel 61 drives the clamping ring 66 between the connecting plates 65 to move through the adjusting plate 63, the clamping ring 66 supports and polishes the polishing sheet 673 through the first supporting spring rod 671 in the moving process, so that the polishing sheet 673 is always attached to the surface of the U-shaped frame in the moving and polishing process, the surface of the U-shaped frame is effectively derusted, when the electric telescopic rod 6d extends to the maximum length, the chain 62 drives the clamping ring 66 to move for a circle along the U-shaped frame, all the U-shaped frame is polished and cleaned, and then the electric telescopic rod 6d is retracted, thereby carrying out reciprocating polishing and rust removal on the U-shaped frame;

s3, cleaning: the brush 682 is synchronously driven to clean the U-shaped frame in the moving process of the clamping ring 66, and the brush 682 is always positioned on the surface of the U-shaped frame under the action of the second supporting spring rod 680 and the second annular plate 681, so that the chips polished by the polishing sheet 673 are cleaned, and the polishing effect is prevented from being influenced by the residual chips;

s4, taking out: the collection box 10 collects the debris cleaned by the brush 682, and the U-shaped frame is taken out of the fixing hole 4 after being polished.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a PC built-in fitting surface finish machining handles machinery, includes back shape platform (1), fixed plate (2), backup pad (3), fixed orifices (4), fixed establishment (5) and grinding machanism (6), its characterized in that: a fixing plate (2) is mounted on the upper end surface of the clip table (1) close to the rear end, supporting plates (3) are symmetrically mounted on the left and right of the front end surface of the fixing plate (2), fixing holes (4) are formed in the fixing plate (2), the fixing holes (4) are arranged in a matrix manner, fixing mechanisms (5) are arranged in the fixing holes (4), and polishing mechanisms (6) are arranged between the supporting plates (3);

the grinding mechanism (6) comprises a rotating shaft (60), chain wheels (61), a chain (62), adjusting plates (63), an opening and closing group (64), a connecting plate (65), a clamping ring (66), a grinding group (67), a cleaning group (68), gears (69), a step through groove (6a), a T-shaped plate (6b), a rack (6c), an electric telescopic rod (6d) and a driving plate (6e), wherein the supporting plates (3) are connected with the rotating shaft (60) through rotation, the four rotating shafts (60) are arranged in a matrix manner, the chain wheels (61) are symmetrically sleeved on the rotating shaft (60) in a left-right manner, the chain wheels (61) on the left side and the right side of the rotating shaft (60) are respectively connected through the chain (62) in a transmission manner, the adjusting plates (63) are installed on the chain (62) through the angle plates, and the adjusting plates (63) are arranged along the chain (62) between the front chain wheels (61) and the back side at equal intervals, an opening and closing group (64) is arranged between the adjusting plates (63), connecting plates (65) are symmetrically arranged between the left adjusting plate and the right adjusting plate (63) from top to bottom, snap rings (66) are equidistantly arranged between the two connecting plates (65) from left to right, polishing groups (67) and cleaning groups (68) are respectively arranged in the front snap ring (66) and the rear snap ring (66), the polishing groups (67) and the cleaning groups (68) are staggered from front to back, one end of one of the rotating shafts (60) penetrates through the supporting plate (3) and then is sleeved with a gear (69), the upper end face of the supporting plate (3) is provided with a step through groove (6a), the step through groove (6a) is internally connected with a T-shaped plate (6b), a rack (6c) meshed with the gear (69) in a transmission mode is installed on the T-shaped plate (6b), an electric telescopic rod (6d) is installed on the supporting plate (3) through a rack, and the moving rod end of the electric telescopic rod (6d) is connected with the lower end of the T-shaped plate (6b) through a driving plate (6 e).

2. The PC embedment surface finishing machine of claim 1, wherein: the fixing mechanism (5) comprises a circular groove (50), clamping grooves (51), arc-shaped clamping plates (52), a push rod (53), a lower pressing plate (54), a rotating shaft (55), diamond-shaped plates (56), a pulling rod (57), a belt (58), a driving disc (59), an L-shaped plate (5d), a sliding groove (5e) and Contraband-shaped plates (5f), wherein the circular groove (50) is symmetrically formed in the upper part and the lower part of the fixing plate (2), each transverse fixing hole (4) is a group, the upper and lower groups of fixing holes (4) are respectively positioned on the inner annular surfaces of the upper and lower circular grooves (50), the clamping grooves (51) communicated with the circular groove (50) are symmetrically formed in the inner wall of each fixing hole (4) in the upper and lower part, the arc-shaped clamping plates (52) are connected in the clamping grooves (51) in a sliding mode, the push rods (53) are installed on the end surfaces, far away from the fixing holes (4), of the arc-shaped clamping plates (52), and the transverse push rods (53) are connected through the lower pressing plate (54), the both ends of returning groove (50) are all rotated and are connected with pivot (55), the cover is equipped with diamond plate (56) on pivot (55), two acute angle ends of diamond plate (56) respectively with about articulated between two holding down plate (54) have pulling rod (57), the rear end of pivot (55) all runs through fixed plate (2) and is connected through belt (58) transmission, be provided with driving disk (59) on one of them pivot (55), install L template (5d) on driving disk (59), spout (5e) have been seted up to the rear end face symmetry of fixed plate (2), common sliding connection has Contraband template (5f) between spout (5e), the vertical section of Contraband template (5f) is located the horizontal segment of L template (5 d).

3. The PC embedment surface finishing machine of claim 1, wherein: group (67) of polishing include semicircle ring (670), a supporting spring pole (671), an annular plate (672) and polish piece (673), snap ring (66) constitute by two semicircle rings (670), the interior anchor ring of two semicircle rings (670) is all installed an annular plate (672) through a supporting spring pole (671), the interior anchor ring of an annular plate (672) is installed and is polished piece (673).

4. The PC embedment surface finishing machine of claim 3, wherein: clearance group (68) including No. two supporting spring pole (680), No. two annular plates (681) and brush (682), semicircle ring (670) in install No. two annular plates (681) through No. two supporting spring pole (680), brush (682) are installed to the interior anchor ring of No. two annular plates (681), brush (682) and the crisscross arrangement in front and back of grinding piece (673).

5. The PC embedment surface finishing machine of claim 1, wherein: opening and shutting group (64) include sliding tray (640), reset spring pole (641) and electro-magnet (642), control the opposite face of regulating plate (63) all seted up sliding tray (640), sliding connection between the both ends of two upper and lower connecting plates (65) and sliding tray (640), the both ends of two upper and lower connecting plates (65) are connected through reset spring pole (641), all install magnetism repellent's electro-magnet (642) in the terminal surface of reset spring pole (641) and sliding tray (640) are kept away from to the both ends of connecting plate (65).

6. The PC embedment surface finishing machine of claim 1, wherein: the opposite face of backup pad (3) all seted up U type recess (30), arc spout (31) have been seted up to U type recess (30) interior symmetry, install spacing post (32) on regulating plate (63), mounting groove (33) have been seted up to the both sides of spacing post (32), install spacing pearl (34) in mounting groove (33), sliding connection between spacing pearl (34) and arc spout (31).

7. The PC embedment surface finishing machine of claim 6, wherein: the limiting column (32) is provided with an arc-shaped groove (320), a ball (321) is installed in the arc-shaped groove (320), and the ball (321) is connected with the U-shaped groove (30) in a sliding mode.

8. The PC embedment surface finishing machine of claim 1, wherein: the clip platform (1) is composed of a clip plate and supporting legs, and a collecting box (10) is arranged right below the clip plate of the clip platform (1).